Cause code Cause of jam Display code
1 There is paper in first transport sensor A
1 There is paper in second transport sensor A
1 There is paper in registration sensor B
1 There is paper in fixing inlet sensor C
1 There is paper in fixing outlet sensor C
1 There is paper in output sensor C
1 There is paper in inversion sensor C
1 There is paper in duplex outlet sensor Z
1 There is paper in duplex inlet sensor Z
3 Paper not fed from tray 1 A1
4 Paper not fed from tray 2 A2
8 Paper not supplied to bypass tray A
9 Duplex not fed Z
10
Timing disappearance Only remaining paper
position information
displayed
11 Paper did not reach first transport sensor A
12 Paper did not reach second transport sensor A
17 Paper did not reach registration sensor A
18 Fixing inlet sensor not reached B
19 Paper did not reach fixing outlet sensor C
20 Paper did not reach output sensor C
51 Paper did not clear first transport sensor A
52 Paper did not clear second transport sensor A
57 Paper did not clear registration sensor B
Jam Detection
631